<gallery>
Image:NoPicture.gif|Circuit board, etc.
Image:Amstrad_Computer_User8512_006.jpg|Advert (ACU, December 1985)
Image:ACU8701062.jpg|Advert (ACU, January 1987)
</gallery>
** USER.BIN - RSX Commands 1 (interface) (versions 1.0, 1.2, 1.3)
** PRES.BIN - RSX Commands 2 (prestel) (versions 1.0, 2.0)
** LIST.BAS - Tool for viewing/printing the DOC files on Side B(LIST.BAS is not included on the v1.0b tape image)
** HARDWARE.DOC - Description of the I/O Ports and cable
** RSX.DOC - Description of the RSX commands (USER.BIN and PRES.BIN)
* Extensive documentation about interface and RSX's supplied on cassette.
[[Category:HardwareNetwork]] [[Category:Peripherals]] [[Category:Serial_interfaces]] [[Category:Communication Software]]